package com.muyan.sys.webscoket.service;

import com.muyan.sys.common.core.redis.RedisCache;
import io.netty.channel.Channel;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.UUID;
import java.util.concurrent.TimeUnit;

@Service
public class ServerInstanceManager {
    

    private final String serverId;

    private static final String HEARTBEAT_KEY_PREFIX = "heartbeat:";
    private static final Integer HEARTBEAT_TIMEOUT = 60; // 心跳超时时间（秒）

    @Autowired
    private RedisCache redisCache;
    
    public ServerInstanceManager(RabbitTemplate rabbitTemplate) {

        this.serverId = UUID.randomUUID().toString();
    }
    
    /**
     * 注册服务器实例
     */
    public void registerServer() {
        // 发送服务器注册消息

    }
    
    /**
     * 更新服务器心跳
     */
    public void updateHeartbeat(Channel channel,String userId) {
        // 发送服务器心跳消息
        String key = HEARTBEAT_KEY_PREFIX + userId;
            redisCache.setCacheObject(key, channel.remoteAddress().toString(), HEARTBEAT_TIMEOUT, TimeUnit.SECONDS);
    }
    
    /**
     * 获取服务器ID
     */
    public String getServerId() {
        return serverId;
    }
} 